<template>
  <el-dialog title="新增员工" :visible="showDialog" @close="btnCancel">
    <!-- 表单 -->
    <el-form ref="addEmployee" :model="formData" :rules="rules" label-width="120px">
      <el-form-item label="姓名" prop="username">
        <el-input v-model="formData.username" style="width:50%" placeholder="请输入姓名" />
      </el-form-item>
      <el-form-item label="手机" prop="mobile">
        <el-input v-model="formData.mobile" style="width:50%" placeholder="请输入手机号" />
      </el-form-item>
      <el-form-item label="入职时间" prop="timeOfEntry">
        <el-date-picker v-model="formData.timeOfEntry" style="width:50%" placeholder="请选择日期" />
      </el-form-item>
      <el-form-item label="聘用形式" prop="formOfEmployment">
        <el-select v-model="formData.formOfEmployment" style="width:50%" placeholder="请选择">
          <el-option v-for="item in EmployeeEnum.hireType" :key="item.id" :label="item.value" :value="item.id" />
        </el-select>
      </el-form-item>
      <el-form-item label="工号" prop="workNumber">
        <el-input v-model="formData.workNumber" style="width:50%" placeholder="请输入工号" />
      </el-form-item>
      <el-form-item label="部门" prop="departmentName">
        <el-input v-model="formData.departmentName" style="width:50%" placeholder="请选择部门" @focus="getDepartments" />
        <!-- 放置一个tree组件 -->
        <el-tree
          v-if="showTree"
          v-loading="loading"
          :data="treeData"
          default-expand-all=""
          :props="{ label: 'name' }"
          @node-click="selectNode"
        />
      </el-form-item>
      <el-form-item label="转正时间" prop="correctionTime">
        <el-date-picker v-model="formData.correctionTime" style="width:50%" placeholder="请选择日期" />
      </el-form-item>
    </el-form>
    <!-- footer插槽 -->
    <template v-slot:footer>
      <el-row type="flex" justify="center">
        <el-col :span="6">
          <el-button size="small" @click="btnCancel">取消</el-button>
          <el-button type="primary" size="small" @click="btnOk">确定</el-button>
        </el-col>
      </el-row>
    </template>
  </el-dialog>
</template>

<script>
import { getDepartments } from '@/api/departments'
import { addEmployee } from '@/api/employees'
import { tranListToTreeData } from '@/utils'
import EmployeeEnum from '@/api/constant/employees'
export default {
  props: {
    showDialog: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      EmployeeEnum, // 将引入的数据赋值给变量，才能在标签中使用
      // 定义表达数据
      formData: {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      },
      // 校验规则
      rules: {
        username: [
          { required: true, message: '用户姓名不能为空', trigger: 'blur' },
          { min: 1, max: 4, message: '用户姓名为1-4位' }
        ],
        mobile: [
          { required: true, message: '手机号不能为空', trigger: 'blur' },
          { pattern: /^1[3-9]\d{9}$/, message: '手机号格式不正确', trigger: 'blur' }
        ],
        formOfEmployment: [{ required: true, message: '聘用形式不能为空', trigger: 'blur' }],
        workNumber: [{ required: true, message: '工号不能为空', trigger: 'blur' }],
        // 部门名称的校验为什么不能用blur,树形组件和input标签是两个独立的标签，在进行节点选择时，就已经失去焦点，就会提示，需要在值发生变化的时候触发该校验
        departmentName: [{ required: true, message: '部门不能为空', trigger: 'change' }],
        timeOfEntry: [{ required: true, message: '入职时间', trigger: 'blur' }]
      },
      treeData: [],
      showTree: false,
      loading: false
    }
  },
  methods: {
    // 封装调用部门接口的方法
    async getDepartments() {
      this.showTree = true
      this.loading = true
      const { depts } = await getDepartments()
      // 后台返回的是扁平化数据，需要进行转化成树形数据
      this.treeData = tranListToTreeData(depts, '')
      this.loading = false
    },
    // 点击树形组件给表单赋值
    selectNode(node) {
      // console.log(node)
      this.formData.departmentName = node.name // 将点击的节点名称赋值给部门表单
      this.showTree = false
    },
    // 校验表单
    async btnOk() {
      try {
        await this.$refs.addEmployee.validate()
        await addEmployee(this.formData) // 调用新增接口
        // 通知父组件，更新数据
        // 方式1：自定义事件 this.$emit('changeData')
        // 方式2：子组件调用父组件的实例，通过this.$parent 组件的使用不能包在element-ui组件
        // console.log(this.$parent)
        this.$parent.getEmployeeList() // 直接调用父组件的方法
        this.$parent.showDialog = false // 将父组件的showDialog修改为false
        // this.$emit('update:showDialog', false)
        this.$message.success('添加成功')
        // 这里点击确定不需要进行重置表单，因为点击确定关闭弹层时会自动触发close事件，从而间接调用关闭事件
      } catch (error) {
        console.log(error)
      }
    },
    btnCancel() {
      // 手动重置表单
      this.formData = {
        username: '',
        mobile: '',
        formOfEmployment: '',
        workNumber: '',
        departmentName: '',
        timeOfEntry: '',
        correctionTime: ''
      }
      // 调用表单实例的resetFileds方法移除表单校验信息
      this.$refs.addEmployee.resetFields() // 重置校验结果
      this.$emit('update:showDialog', false)
    }
  }
}
</script>

<style>

</style>
